<!DOCTYPE html>
<html>

<head>
    <title>My graduate work</title>
    <style>
        html {
            color-scheme: light dark;
        }

        body {
            width: 35em;
            margin: 0 auto;
            font-family: Tahoma, Verdana, Arial, sans-serif;
        }
    </style>
</head>

<body>
    <font color="green">
        <h1>Graduate-work</h1>
    </font>
    <font color="blue">
        <p>Hello netology</p>
    </font>
</body>

</html>